EN 1.4612 +AT Steel vs. Solution-treated Grade 21 Titanium
EN 1.4612 +AT steel belongs to the iron alloys classification, while solution-treated grade 21 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is EN 1.4612 +AT steel and the bottom bar is solution-treated grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 51 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 310 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1740 |
| Melting Onset (Solidus), °C | 1400 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 500 |
| Thermal Expansion, µm/m-K | 11 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 60 |
| Density, g/cm3 | 7.9 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 32 |
| Embodied Energy, MJ/kg | 50 | |
| 490 |
| Embodied Water, L/kg | 140 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 210 | |
| 150 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 32 |
| Strength to Weight: Axial, points | 60 to 65 | |
| 46 |
| Strength to Weight: Bending, points | 40 to 43 | |
| 38 |
| Thermal Shock Resistance, points | 58 to 63 | |
| 66 |
Alloy Composition
| Aluminum (Al), % | 1.4 to 1.8 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.015 | |
| 0 to 0.050 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 71.5 to 75.5 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 1.8 to 2.3 | |
| 14 to 16 |
| Nickel (Ni), % | 10.2 to 11.3 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.15 to 0.25 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 |
| Titanium (Ti), % | 0.2 to 0.5 | |
| 76 to 81.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |